NILWAN, D. The Competency Gap of Travel Agents for Halal Tourism: A Case Study of Muang Chiang Mai District, Chiang Mai Province. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, [S. l.], v. 37, n. 4, p. 20–34, 2019. Disponível em: https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/178253. Acesso em: 8 may. 2024.